lockbit | 1b8c7ae5a13b10631f19f3a2f6860e77749739b596aa87c54b3fd0aa43578549

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
31-05-2024 12:29

Target

1b8c7ae5a13b10631f19f3a2f6860e77749739b596aa87c54b3fd0aa43578549.exe
Size

344KB
MD5

4594ff00611c357d3694def60f132815
SHA1

61c38540623b2dc7f75cc463831681b2a01c19d2
SHA256

1b8c7ae5a13b10631f19f3a2f6860e77749739b596aa87c54b3fd0aa43578549
SHA512

92f898b2eed0fc65e9e3037e07db836de4864e1a12afccd0e18f136019fdabe1a0a753843c94e71a3f565226245a2d7706590671d5aef4b3f913bdad90c3966c
SSDEEP

6144:jOtqhWEEfruHmDbayfVeJJ1pHlI2a4h3MgP10P1WsBConRyfcSoJs/L:atqhcTZ1fVSJbHlK4hcgP1QWRoRyf6

Score

10^/10

Lockbit
Ransomware family with multiple variants released since late 2019.
ransomware lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-7-0x0000000000400000-0x0000000000442000-memory.dmp	family_lockbit
behavioral1/memory/2268-5-0x0000000000400000-0x0000000000442000-memory.dmp	family_lockbit
behavioral1/memory/2268-8-0x0000000000400000-0x0000000000442000-memory.dmp	family_lockbit
behavioral1/memory/2268-9-0x0000000000400000-0x0000000000442000-memory.dmp	family_lockbit
behavioral1/memory/2268-3-0x0000000000400000-0x0000000000442000-memory.dmp	family_lockbit

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2728	2268	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1b8c7ae5a13b10631f19f3a2f6860e77749739b596aa87c54b3fd0aa43578549.exe

description	pid	Process	procid_target
PID 2268 wrote to memory of 2728	2268	1b8c7ae5a13b10631f19f3a2f6860e77749739b596aa87c54b3fd0aa43578549.exe	28
PID 2268 wrote to memory of 2728	2268	1b8c7ae5a13b10631f19f3a2f6860e77749739b596aa87c54b3fd0aa43578549.exe	28
PID 2268 wrote to memory of 2728	2268	1b8c7ae5a13b10631f19f3a2f6860e77749739b596aa87c54b3fd0aa43578549.exe	28
PID 2268 wrote to memory of 2728	2268	1b8c7ae5a13b10631f19f3a2f6860e77749739b596aa87c54b3fd0aa43578549.exe	28

C:\Users\Admin\AppData\Local\Temp\1b8c7ae5a13b10631f19f3a2f6860e77749739b596aa87c54b3fd0aa43578549.exe
"C:\Users\Admin\AppData\Local\Temp\1b8c7ae5a13b10631f19f3a2f6860e77749739b596aa87c54b3fd0aa43578549.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 100
  2⤵
  - Program crash
  PID:2728

memory/2268-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2268-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2268-6-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2268-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2268-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2268-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2268-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2268-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2268-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2268-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download